I have a 2002 chevy silverado extended, lowered 3/5 with 275/45r20s, has a stock 2002 lq4 6.0 with a nelson tune. Has stock manifolds with stock exhaust with a flowmater muffler. Body, tranny, and rearend have 70,xxx miles and lq4 has 72,xxx on it... Motor pulls hard and get's good mpg for what it is... asking 7,000 o.b.o